*{ margin:0; padding:0;}
#ul1{ position:relative;overflow:hidden;margin: 0; padding: 0;}
#ul1 li{ list-style:none;}
 
body { text-align: center; background:url(../images/game_bg.png) no-repeat; float:left;background-size: 100% 100%; margin: 0; padding: 0; overflow:hidden;}
.box0{ background:url(../images/1.jpg) no-repeat; float:left;background-size: 100% 100%;}
.box1{ background:url(../images/2.jpg) no-repeat; float:left;background-size: 100% 100%;}
.box2{ background:url(../images/3.jpg) no-repeat; float:left;background-size: 100% 100%;}
.box3{ background:url(../images/4.jpg) no-repeat; float:left;background-size: 100% 100%;}
.box4{ background:url(../images/5.jpg) no-repeat; float:left;background-size: 100% 100%;}
.box5{ background:url(../images/6.jpg) no-repeat; float:left;background-size: 100% 100%;}